package com.unifig.mall.util;

import com.alibaba.fastjson.JSONObject;
import com.sun.org.apache.xerces.internal.impl.dv.util.Base64;

import java.io.*;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLEncoder;
import java.security.MessageDigest;
import java.util.HashMap;
import java.util.Map;

/**
 * 快递鸟电子面单接口
 *
 * @技术QQ群: 340378554
 * @see: http://kdniao.com/api-eorder
 * @copyright: 深圳市快金数据技术服务有限公司
 * <p>
 * ID和Key请到官网申请：http://kdniao.com/reg
 */

public class KdGoldAPIUtil {

    //电商ID
    private String EBusinessID = "1436778";
    //电商加密私钥，快递鸟提供，注意保管，不要泄漏
    private String AppKey = "86b512f4-00cd-443f-9037-c1e27d6a8043";
    //请求url, 正式环境地址：http://api.kdniao.com/api/Eorderservice    测试环境地址：http://testapi.kdniao.com:8081/api/EOrderService
    private String ReqURL = "http://testapi.kdniao.com:8081/api/Eorderservice";


    public static void main(String[] args) {
        KdGoldAPIUtil kdGoldAPIDemo = new KdGoldAPIUtil();
        try {
            String s = kdGoldAPIDemo.orderOnlineByJson();
            JSONObject jsonObject = JSONObject.parseObject(s);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    /**
     * Json方式 电子面单
     *
     * @throws Exception
     */
    public String orderOnlineByJson() throws Exception {
        String requestData = "{'OrderCode': '012657700387'," +
                "'ShipperCode':'SF'," +
                "'PayType':1," +
                "'ExpType':1," +
                "'Cost':1.0," +
                "'OtherCost':1.0," +
                "'Sender':" +
                "{" +
                "'Company':'LV','Name':'Taylor','Mobile':'15018442396','ProvinceName':'上海','CityName':'上海','ExpAreaName':'青浦区','Address':'明珠路73号'}," +
                "'Receiver':" +
                "{" +
                "'Company':'GCCUI','Name':'Yann','Mobile':'15018442396','ProvinceName':'北京','CityName':'北京','ExpAreaName':'朝阳区','Address':'三里屯街道雅秀大厦'}," +
                "'Commodity':" +
                "[{" +
                "'GoodsName':'鞋子','Goodsquantity':1,'GoodsWeight':1.0}]," +
                "'Weight':1.0," +
                "'Quantity':1," +
                "'Volume':0.0," +
                "'Remark':'小心轻放'," +
                "'IsReturnPrintTemplate':1}";
        Map<String, String> params = new HashMap<String, String>();
        params.put("RequestData", urlEncoder(requestData, "UTF-8"));
        params.put("EBusinessID", EBusinessID);
        params.put("RequestType", "1007");
        String dataSign = encrypt(requestData, AppKey, "UTF-8");
        params.put("DataSign", urlEncoder(dataSign, "UTF-8"));
        params.put("DataType", "2");

        String result = sendPost(ReqURL, params);

        //根据公司业务处理返回的信息......

        return result;
    }

    /**
     * MD5加密
     *
     * @param str     内容
     * @param charset 编码方式
     * @throws Exception
     */
    @SuppressWarnings("unused")
    private String MD5(String str, String charset) throws Exception {
        MessageDigest md = MessageDigest.getInstance("MD5");
        md.update(str.getBytes(charset));
        byte[] result = md.digest();
        StringBuffer sb = new StringBuffer(32);
        for (int i = 0; i < result.length; i++) {
            int val = result[i] & 0xff;
            if (val <= 0xf) {
                sb.append("0");
            }
            sb.append(Integer.toHexString(val));
        }
        return sb.toString().toLowerCase();
    }

    /**
     * base64编码
     *
     * @param str     内容
     * @param charset 编码方式
     * @throws UnsupportedEncodingException
     */
    private String base64(String str, String charset) throws UnsupportedEncodingException {
        String encoded = Base64.encode(str.getBytes(charset));
        return encoded;
    }

    @SuppressWarnings("unused")
    private String urlEncoder(String str, String charset) throws UnsupportedEncodingException {
        String result = URLEncoder.encode(str, charset);
        return result;
    }

    /**
     * 电商Sign签名生成
     *
     * @param content  内容
     * @param keyValue Appkey
     * @param charset  编码方式
     * @return DataSign签名
     * @throws UnsupportedEncodingException ,Exception
     */
    @SuppressWarnings("unused")
    private String encrypt(String content, String keyValue, String charset) throws UnsupportedEncodingException, Exception {
        if (keyValue != null) {
            return base64(MD5(content + keyValue, charset), charset);
        }
        return base64(MD5(content, charset), charset);
    }

    /**
     * 向指定 URL 发送POST方法的请求
     *
     * @param url    发送请求的 URL
     * @param params 请求的参数集合
     * @return 远程资源的响应结果
     */
    @SuppressWarnings("unused")
    private String sendPost(String url, Map<String, String> params) {
        OutputStreamWriter out = null;
        BufferedReader in = null;
        StringBuilder result = new StringBuilder();
        try {
            URL realUrl = new URL(url);
            HttpURLConnection conn = (HttpURLConnection) realUrl.openConnection();
            // 发送POST请求必须设置如下两行
            conn.setDoOutput(true);
            conn.setDoInput(true);
            // POST方法
            conn.setRequestMethod("POST");
            // 设置通用的请求属性
            conn.setRequestProperty("accept", "*/*");
            conn.setRequestProperty("connection", "Keep-Alive");
            conn.setRequestProperty("user-agent",
                    "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
            conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
            conn.connect();
            // 获取URLConnection对象对应的输出流
            out = new OutputStreamWriter(conn.getOutputStream(), "UTF-8");
            // 发送请求参数            
            if (params != null) {
                StringBuilder param = new StringBuilder();
                for (Map.Entry<String, String> entry : params.entrySet()) {
                    if (param.length() > 0) {
                        param.append("&");
                    }
                    param.append(entry.getKey());
                    param.append("=");
                    param.append(entry.getValue());
                    System.out.println(entry.getKey() + ":" + entry.getValue());
                }
                System.out.println("param:" + param.toString());
                out.write(param.toString());
            }
            // flush输出流的缓冲
            out.flush();
            // 定义BufferedReader输入流来读取URL的响应
            in = new BufferedReader(
                    new InputStreamReader(conn.getInputStream(), "UTF-8"));
            String line;
            while ((line = in.readLine()) != null) {
                result.append(line);
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        //使用finally块来关闭输出流、输入流
        finally {
            try {
                if (out != null) {
                    out.close();
                }
                if (in != null) {
                    in.close();
                }
            } catch (IOException ex) {
                ex.printStackTrace();
            }
        }
        return result.toString();
    }
}
